题干

烟草花叶病毒(TMV)与车前草病毒(HRV)都能感染烟叶,但二者致病斑不同,如图所示,据图回答

(1)从c组实验中分离得到的病毒,蛋白质外壳是以____ 为模板,以____ 为场所合成的.所需的氨基酸、酶和ATP均来自____ .

(2)本实验证明____ .

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答案(点此获取答案解析)

HRV的RNA,烟叶细胞的核糖体,烟叶细胞,RNA是遗传物质,蛋白质不是遗传物质

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用方框中所给单词的适当形式填空,(每个单词限用一次)。

feel   build  true   because   in frond of   behind   make  hard   a little   grade   sound     yes

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